pulse
Palmer Station, Antarctica (seismic) archived on February 4, 2025
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spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Tue Feb 4 01:40:33 2025 5.7 -38.94 -92.50 6 W.Chile Rise (West Chile Rise) Mon Feb 3 21:35:50 2025 5.9 2.99 128.19 6 Indonesia (140 km N of Tobelo, Indonesia) Mon Feb 3 19:15:00 2025 5.4 28.70 130.95 5 Japan (134 km ENE of Tatsugō, Japan) Mon Feb 3 13:02:18 2025 5.5 -22.84 171.31 6 southeast of the Loyalty Islands Total: 4 events.

About this archived stream:

Station : PMSA (network: IRIS/USGS) at Palmer Station, Antarctica
Sensor : STS-1VBB_w/E300
Recorder : Q330 @ 100 Hz
Pod : ms-rhea@x.x.31.38 | macOS 15.3 | psm v. 178
Speedup : ×500 (transposed up about 9 octaves)
Loop duration (real) : 48 hours
Loop duration (audio) : 05:45 (stereo)
Data channels : miniseed (IU.PMSA.00.BH1 IU.PMSA.00.BH2)
RMS : 0.003002
Spectrogram type : raw
Gain correction : 25dB
SoX post-processing : highpass -2 90 highpass -2 90
compand 0.001,0.01 6:-80,-50,-40,-10,0,-3
Archived on : Wed Feb 5 00:00:49 UTC 2025 (about 1 year ago)
Metadata source : auto-archived factoids